Definition: The only genus in the family Oryziinae, order BELONIFORMES. Oryzias are egg-layers; other fish of the same order are livebearers. Oryzias are used extensively in testing carcinogens.
note X refs JAPANESE KILLIFISH and MEDAKA KILLIFISH; KILLIFISHES is also available
Other names Medaka; Killifish, Japanese; Japanese Medaka; Medakas; Killifish, Medaka; Oryziinae; Oryzias latipes; Medaka Killifish; Japanese Rice Fish; Japanese Killifish
